Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

In FIGS. 1-6, the broken lines immediately adjacent the shaded area represent unclaimed boundaries of the design. The broken lines showing the remainder of the article are shown for environmental purposes and do not form any part of the claimed design. 

CLAIM The ornamental design for footwear sole, as shown and described. 